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Silenced Submachine Gun (SSMG) [ 2006 ]

The JS 9mm submachine gun entered production in China in 2006 and has been largely intended for the export market.

Authored By: Staff Writer | Last Edited: 05/09/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The JS 9mm (or simply "JS 9") is a conventional Chinese submachine gun type firearm designed exclusively for the export market and based on the indigenous Chinese Army's bullpup 5.8mm QCW-05 submachine gun (both firearms being produced by the China South Industries Group Corporation). As expected, the JS 9 borrows much of the form and function of the original weapon system with a few noticeable alterations to meet the broader export-minded approach - namely acceptance of the 9mm cartridge and lack of an integrated carrying handle. The JS 9 has been marketed to both security and police forces around the world but has notable qualities specific for special forces applications: use of a suppressor and standard armor-piercing round. Design of the JS 9 was conducted by the Jianshe Industry Corporation with production beginning in 2006. Exportation of the product has been handled under the NORINCO Equipment Ltd banner concern of Beijing. Both the QCW-05 and the JS 9 are in full production as of this writing with the former introduced just a year before the JS 9.

The JS 9 is chambered for the locally-designed and produced 9x19mm DAP92-9 armor-piercing cartridge but can also accept the universal 9x19 Parabellum round. The JS 9 typically accepts a 20- or 30-round detachable box magazine. The firing action is of conventional blowback from an open bolt, consistent with other successful submachine gun designs. There is a fire selector that allows for semi-automatic fire and full-automatic fire while a squeeze safety is fitted to the rear of the pistol grip and must be pressed for the weapon to fire. Rate-of-fire is approximately 400 rounds-per-minute with a muzzle velocity of 1,052 feet per second. Effective range is out to 400 feet. Overall weight of the weapon is a handy 4.4lbs. A sound suppressor can be affixed to the muzzle while optics, night-vision and laser aimers can be fitted to the top-mounted universal Picatinny rail system.

Outwardly, the JS 9 mimics much of the original design form of the QCW-05 before it. Like the original, the JS 9 is also of bullpup configuration meaning that the magazine and feed are located behind the pistol grip and internal firing mechanism. The ejection port is set to the left side of the receiver, making the submachine gun rather left-handed "unfriendly". There is a short polymer buttstock that incorporates the magazine feed and the magazines themselves are curved forward. The pistol grip is ergonomic and integrated into an oblong trigger guard with a solid curved trigger unit. There is a short forend for two handed use and the barrel accepts a silencer for suppressed work. Sights include a fixed front peep type with a flip-up rear installation to go along with an open sight block arrangement. The JS 9 breaks down into seven major pieces, is lightweight and compact for exceptional close-quarters work by military, police, security or special forces-minded units.©MilitaryFactory.com
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Service Year

China national flag graphic


Silenced Submachine Gun (SSMG)

China South Industries Group - China
(View other Arms-Related Manufacturers)
National flag of China China
(OPERATORS list includes past, present, and future operators when applicable)
This weapon is either inherently silent/suppressed or can be made so through special assembly added at the muzzle, specialized subsonic ammunition or a combination of both.

Overall Length
500 mm
19.69 in
Barrel Length
250 mm
9.84 in
Empty Wgt
4.41 lb
2.00 kg

Open Block Rear; Front Peep


Blowback; Open Bolt

Blowback Operation
Gas pressure from the rearward movement of the ignited cartridge case provides the needed bolt movement, ejecting the spent case and stripping a fresh case from the magazine.
Open Bolt
System utilizes internal mechanism where bolt and associated working components are set to the rear of the receiver with no cartridge chambered; trigger actuation moves bolt forward, chambers cartridge, and fires bullet in single action - ultimately resetting during the complete cycle by way of the generated energy.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


9x19mm DAP92-9; 9x19mm Parabellum

Sample Visuals**

Graphical image of a 9mm pistol cartridge
Rounds / Feed

20- or 30-round detachable box magazine
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
410 ft
(125 m | 137 yd)
Muzzle Velocity
1,052 ft/sec
(321 m/sec)

JS 9mm - Base Series Designation

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Image of the CSIG JS 9mm
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